B. A is incorrect because every state received one vote, no matter its size. C is incorrect because not enough power was given to the president; after getting out of that situation with Britain's king, no one wanted another king. D is also incorrect, because every state coined its own money, and attempting to regulate this was a real issue at the time. Hope this helps!
Climate change that caused a severe drought.It is also theorized that the Hittite's cities were destroyed by earthquakes.
The exchange that most affected the indigenous people was the one of diseases. Native Americans hadn't encounter the diseases the European brought before, so they hadn't develop immunity to them. This is the major reason of the large death of Native Americans, besides the war between them and the brutality of the Europeans.
